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Rhenium single crystal 75Re186.2
Discovered in 1925 by W. Noddack, Ida Tacke and O. Berg at Berlin, Germany.
[Latin: rhenus = rhine]
French: rhenium
German: rhenium
Italian: renio
Spanish: renio
Description: Rhenium is a silvery metal, but is usually obtained as a grey powder. It resists corrosion but slowly tarnishes in moist air. Rhenium dissolves in HNO3 an H2SO4. It is used in filaments, thermistors and catalysts.
| Metal single crystal properties | ||
|---|---|---|
| State: | single crystal | |
| Crystal structure: | hexagonal | |
| Production method: | Floating zone | |
| Standard size: | diameter 6mm thickness 1-2mm |
|
| Orientation: | (0001), (1-100) and (11-20) | |
| Orientation accuracy: | <2°, <1°, <0.5° or <0.1° | |
| Polishing: | as cut, one or two sides polished | |
| Roughness of surface: | <0.03µm | |
| Purity: | 99.99% | |
| Typical analysis (ppm): | Ag < 0.10 Al 2.00 Au 0.90 C 15.0 Cl 3.00 Co 0.20 Cr 2.50 Cu 0.40 Fe 15.0 H < 1.00 Mg 0.03 Mn 1.00 |
Mo 2.00 N < 5.00 Na 0.20 Ni < 1.00 Pt 10.0 O 6.00 Si 10.0 Ti 1.00 Ta 0.30 V 0.20 W 10.0 Zr 2.00 Rh balance |